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Reptile [31]
3 years ago
6

If f(x) = StartFraction x Over 2 EndFraction + 8, what is f(x) when x = 10?

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0

Answer:

13

Step-by-step explanation:

f(x) = \dfrac{x}{2} + 8

f(10) = \dfrac{10}{2} + 8

f(10) = 5 + 8

f(10) = 13

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Which expression is equivalent to 4/9x7?
LiRa [457]

Is there an answer key?

8 0
3 years ago
The value -2 is a lower bound for the zeros of the function shown below.
Tju [1.3M]

Answer:

False

Step-by-step explanation:

f(x) = 4x³ - 12x² - x + 15

Set output to 0.

Factor the function.

0 = (x + 1)(2x - 3)(2x - 5)

Set factors equal to 0.

x + 1 = 0

x = -1

2x - 3 = 0

2x = 3

x = 3/2

2x - 5 = 0

2x = 5

x = 5/2

-2 is not a lower bound for the zeros of the function.

7 0
3 years ago
PLEASE HELP ME WITH THIS AND EXPLAIN :)
PSYCHO15rus [73]
So first, you need to find the y intercept and slope of the line/function.
then, you just plug it in to y=mx+b form
this one would be:
slope of -5/4
y intercept: 2
so it would be y=-5/4+2
3 0
3 years ago
Doug’s family buys 7 postcards while on vacation. Each postcard costs 0.25$ including tax. How can Doug use the number line to f
larisa [96]

Answer: Total cost is $1.75

Explanation:

Since we have given that

Number of postcards bought by Doug's family= 7

Cost of each postcard including tax = $0.25

Total cost is given by

7\times 0.25=\$1.75

Now, we want to show this in number line :

On the number line put all the number with a difference of 0.25 and run the number line seven times and we get the answer.

Each step is of length 0.25 and there are 7 jumps to reach required answer.

So, after 7 jumps we reach at 1.75 which is the required answer.

Hence total cost is $1.75

3 0
3 years ago
Drag the numbers to the correct locations on the image. Not all numbers will be used. Complete the synthetic division to find th
emmasim [6.3K]

Answer:

quotient of 3x3 - 25x2 + 12x - 32 and x - 8 is 3x^2-x+4

7 0
2 years ago
Read 2 more answers
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